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12 Practice <strong>Tests</strong> <strong>for</strong> <strong>the</strong> <strong>SAT</strong><br />

Practice Test Three Answers and Explanations I<br />

307<br />

Choice (D) is a perfect match <strong>for</strong> your prediction. In (E),<br />

again, be careful here; giving more to charity than he<br />

could af<strong>for</strong>d would not necessarily make his venerability,<br />

or respectability, seem limitless.<br />

Questions 8- 19<br />

Paragraph 1 introduces readers to bacteria. The writer says<br />

that bacteria are everywhere and that even though we can't<br />

see <strong>the</strong>m, <strong>the</strong>y have a huge effect on our lives. Paragraph 2<br />

tells readers that bacteria can survive in extreme conditions.<br />

Paragraph 3 explains one reason why bacteria are so hardy<strong>the</strong>y<br />

can alter <strong>the</strong>ir DNA and acquire genes <strong>the</strong>y need to<br />

protect <strong>the</strong>mselves. Paragraph 4 challenges <strong>the</strong> notion that<br />

bacteria are harmful, saying <strong>the</strong>y're actually beneficial, and<br />

<strong>the</strong> author lists several ways <strong>the</strong>y help people. Paragraph<br />

5 says that despite all <strong>the</strong>se benefits, bacteria have some<br />

dangerous, even deadly, effects that can't be ignored.<br />

8. A<br />

Difficulty: Medium<br />

If <strong>the</strong> answer doesn't jump out at you from <strong>the</strong> cited text,<br />

hunt around <strong>the</strong> passage <strong>for</strong> o<strong>the</strong>r references to <strong>the</strong> subject.<br />

The author says that bacteria are overlooked by a majority of<br />

people; she also says that The fad that we can 't see <strong>the</strong>m<br />

makes <strong>the</strong>m easy to ignore (lines 17-18). Predict that<br />

she is assuming that most people aren't that interested in<br />

finding out about things <strong>the</strong>y can't see.<br />

Choice (A) matches your prediction. Choice (B) is out<br />

of scope; <strong>the</strong>re's no mention of how many people carry<br />

disease. Choice (C) is an opposite; if people are ignoring<br />

bacteria, <strong>the</strong>y probably aren't spreading <strong>the</strong>m on purpose.<br />

Choice (D) is out of scope; <strong>the</strong>re is no mention of whe<strong>the</strong>r<br />

people are well educated or of whe<strong>the</strong>r that is relevant<br />

to bacteria. Choice (E) is a misused detail; antibacterial<br />

products are mentioned, but <strong>the</strong>re is no mention of<br />

whe<strong>the</strong>r many people use <strong>the</strong>m.<br />

9. E<br />

Difficulty: Medium<br />

Find out what point is being supported with <strong>the</strong> cited<br />

in<strong>for</strong>mation.<br />

A sentence at <strong>the</strong> beginning of <strong>the</strong> paragraph says that<br />

bacteria are overlooked by a majority of people (lines 3-4),<br />

and <strong>the</strong> sentence with easy to ignore explains why people<br />

may overlook <strong>the</strong>m. Predict that easy to ignore supports <strong>the</strong><br />

point that people underestimate <strong>the</strong> effect of bacteria on<br />

<strong>the</strong>ir lives.<br />

Choice (A) is a misused detail; bacteria are useful, but<br />

this doesn't make <strong>the</strong>m easy to ignore. Choice (B) is an<br />

opposite; <strong>the</strong> passage says that people overlook bacteria.<br />

Choice (C) is out of scope; nothing in <strong>the</strong> passage deals<br />

specifically with how well understood bacteria are (or aren't).<br />

Choice (D) is an opposite; <strong>the</strong> passage states that bacteria<br />

are plentiful. Choice (E) is closest to your prediction.<br />

10. c<br />

Difficulty: Medium<br />

Try restating a key sentence in your own words to decipher<br />

its basic meaning.<br />

The author states, <strong>the</strong>ir impact on our lives is undeniable,<br />

and probably extends into more aspects of living than<br />

scientists are currently even aware of. Basically, we can't<br />

deny that bacteria have an impact on our lives. Predict that<br />

undeniable is used to convey that <strong>the</strong> fact that bacteria<br />

influence our lives is absolutely true.<br />

Choice (A) is a distortion; bacteria do cause disease, but<br />

that isn't being discussed in this paragraph, and <strong>the</strong>re's<br />

nothing in <strong>the</strong> passage that says disease is "unavoidable" in<br />

any case. Choice (B) is a misused detail; <strong>the</strong> passage does<br />

say in paragraph 4 that bacteria are useful in industry, but<br />

that isn't being discussed here. Choice (C) matches your<br />

prediction; incontrovertible means absolutely true. Choice<br />

(D) is an opposite; bacteria are invisible, as <strong>the</strong> author refers<br />

to <strong>the</strong> fad that we can 't see <strong>the</strong>m in line 17. Choice (E) is<br />

an opposite; undeniable is unlikely to imply a lack of solid<br />

support; in fact, <strong>the</strong>re is support <strong>for</strong> <strong>the</strong> statement in <strong>the</strong><br />

remainder of <strong>the</strong> passage.<br />

11. c<br />

Difficulty: Medium<br />

Find out what concept a quoted phrase actually refers to.<br />

The sentence in which extreme environmental conditions is<br />

mentioned discusses bacteria's remarkable ability to live in<br />

environments inhospitable to o<strong>the</strong>r kinds of life. Predict that<br />

<strong>the</strong> phrase extreme environmental conditions is describing<br />

<strong>the</strong> difficult environmental obstacles that bacteria can<br />

overcome.<br />

Choice (A) is a distortion; bacteria can live in <strong>the</strong>se<br />

conditions, so <strong>the</strong>se environments are capable of

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